Danfoss MLM021T4LP9 is a highly efficient scroll air compressor. It is used in medium-temperature refrigeration and air-conditioning systems. Trusted worldwide, this model offers great performance, low noise, and strong durability. It is perfect for industrial and commercial applications. Moreover, it helps save energy and reduce costs.
Key Features of Danfoss MLM021T4LP9
- Scroll compressor technology: It has no reciprocating parts. Therefore, it runs quieter and vibrates less.
- 3 HP capacity: The compressor provides about 5,600 W cooling power (around 19,000 BTU/h).
- Flexible voltage: It operates on 380–415 V (50 Hz) or 460 V (60 Hz), three-phase power.
- Refrigerant options: It works best with R22. However, other refrigerants may be used if properly adapted.
- High-pressure capability: The high-side can handle up to 31.1 bar. The low-side can handle up to 26.2 bar.
- Efficient motor: It draws about 9.5 A and consumes roughly 2.36 kW. The system is designed to be energy efficient.
- Quiet performance: Thanks to its gas-cooled motor and scroll design, the compressor runs quietly.
- Pre-charged oil: The unit comes with about 1.06 L of oil. Its net weight is around 31 kg.
Performance Specifications
| Parameter | Value |
|---|---|
| Cooling Capacity | 5,600 W / 19,000 BTU/h |
| Power Input | 2.36 kW (~9.5 A) |
| COP | ~2.36 W/W |
| EER | 8.07 BTU/h·W |
| Swept Volume | 46.2 cm³/rev |
| Displacement | 9.7 m³/h |
| Oil Charge | 1.1 L |
| Weight | 31 kg |
Benefits of Using Danfoss MLM021T4LP9
- Energy saving: The motor and scroll design ensure lower energy consumption.
- Low noise: Its advanced design reduces vibration and sound levels.
- High durability: The unit offers excellent reliability in harsh environments.
- Flexible installation: It is easy to install and works well in many systems.
Where Can You Use It?
- Commercial air-conditioning units (3 to 5 tons)
- Medium-temperature refrigeration systems
- Industrial chillers
- Packaged HVAC solutions
Installation and Maintenance Tips
- Use the correct refrigerant charge and pipe sizes.
- Ensure your power supply matches the voltage and phase requirements.
- Install the compressor on a flat surface to aid oil return.
- Add vibration dampers for extra noise control.
- Follow the official Danfoss manual for installation and maintenance.
Why Choose It? ftron’s Recommendation
ftron recommends the Danfoss MLM021T4LP9 for its unmatched efficiency, low noise, and long-lasting quality. Whether you are upgrading an old system or building a new one, this compressor ensures top results. In addition, it is easy to install and maintain. Contact us to learn more!
FAQ
1. What refrigerants does it support?
It works with R22 and can be adapted for other refrigerants.
2. What is its cooling capacity?
About 5,600 W or 19,000 BTU/h.
3. What voltage does it require?
It runs on 380–415 V (50 Hz) or 460 V (60 Hz), three-phase.
4. What is the maximum pressure?
31.1 bar on the high side and 26.2 bar on the low side.
5. Is it pre-charged with oil?
Yes. It comes with about 1.06 L of oil.
6. How much does it weigh?
It weighs approximately 31 kg.
7. Does it produce much noise?
No. The scroll design ensures quiet operation.
8. What maintenance is required?
Check refrigerant charge, oil levels, and system vibration regularly.
9. What applications is it used in?
It is used in commercial AC, refrigeration systems, and industrial chillers.
10. Is it inverter-compatible?
It can be used with frequency inverters. Please consult your installer.
11. Does it come with a warranty?
Yes. It includes a standard warranty from Danfoss and ftron.
